noun pl. K's, k's

1. the eleventh letter of the English alphabet: from the Greek kappa, a borrowing from the Phoenician
2. any of the speech sounds that this letter represents, as, in English, the (k) of kept
3. a type or impression for k or K
4. the eleventh in a sequence or group
5. an object shaped like

adjective

1. of k or K
2. eleventh in a sequence or group
3. shaped like

1. karat (carat)
2. kilo-
3. kilogram
4. kilometer
5. kopeck(s)

noun

1. Comput. kilobyte
2. Informal a thousand dollars she earns 40K now

Etymology: k(ilo-)

1. karat (carat)
2. kathode (cathode)
3. Physics Kelvin
4. Football kicker
   sometimes written k
5. kilometer
6. kindergarten
7. Chess king
8. Bible Kings
9. knit
10. kosher: prepared according to kashrut
11. ☆

    Etymology: < (struc)k (out)

    Baseball strikeout
12. Comput. the number 1,024, or 2
13. Music a prefix to the numbers of the works of W. A. Mozart as indexed in the catalog of his works compiled by L. Köchel (1800-77), Austrian musicologist

1. Elec. capacity

2. Etymology: ModL kalium < Ar (al-)qili: see alkali

   Chem. potassium